Check Engine Light
Thread Starter
Melting Slicks
Joined: Jul 2005
Posts: 2,572
Likes: 3
From: Rehoboth MA . . . NRA Life Member
St. Jude Donor '06-'07
Check Engine Light
I was out for a drive yesterday in my 04 Z and about 6 miles into it my check engine light came on. The car was running great and all gages were reporting good numbers so I'm a bit confused why it decided to come on. 
Anyone have an idea of what problem might have caused it to activate?
I'm going to see if I can get the codes later on today.
Anyone have an idea of what problem might have caused it to activate?
I'm going to see if I can get the codes later on today.
Last edited by BobbyG; Nov 9, 2007 at 07:15 AM.
Team Owner
Joined: May 2006
Posts: 21,473
Likes: 356
From: Palmdale, Ca----- 2009 Cyber Gray 4LT A6 F55 452 RWHP 422 RWTQ- RIP 1998 C5 734 RWHP & 585 RWTQ-----
Will need codes to determine possible cause!
Hold Options button and press Fuel button four times!
Let us know what you get!
Thanks,Matt
Hold Options button and press Fuel button four times!
Let us know what you get!
Thanks,Matt
Race Director
Joined: Jun 2005
Posts: 17,640
Likes: 1
From: Lenoir City TN
St. Jude Donor '08-'09-'10-'11
Melting Slicks
Joined: Aug 2006
Posts: 2,866
Likes: 45
From: Tampa Bay, Go BUCS!!!Go Rays!!!Go Lightning!!!
St. Jude Donor '12-'13-'14
In the mean time don't worry too much. The Check Engine light is always emissions related. Probably a leaky gas cap seal or something silly like that.
Melting Slicks
Joined: Nov 2001
Posts: 3,088
Likes: 1
From: NC
I was out for a drive yesterday in my 04 Z and about 6 miles into it my check engine light came on. The car was running great and all gages were reporting good numbers so I'm a bit confused why it decided to come on.
Anyone have an idea of what problem might have caused it to activate?
I'm going to see if I can get the codes later on today.
Anyone have an idea of what problem might have caused it to activate?
I'm going to see if I can get the codes later on today.
Take is off and clean around the seal and make sure you it is on tightly.
"04s" do have a fill tube TSB and maybe you have a leak.
Mine did this when I had the car inspected and they pressurized the
the system and a few miles afterwards, the light came on.
I cleared the codes and never happened again.
Thread Starter
Melting Slicks
Joined: Jul 2005
Posts: 2,572
Likes: 3
From: Rehoboth MA . . . NRA Life Member
St. Jude Donor '06-'07
I followed everyone's instructions and pulled up the code below.
I added a CAGS shift eliminator a little over a year ago and I'm wondering if it's going south for some reason. I can shift any time I choose so I know it's working but for some reason it's throwing this code...
- P0803 1-4 Up-shift Solenoid Control Circuit (M/T) -B
- B2272H Left Mirror Motor Fault DCM-L
I added a CAGS shift eliminator a little over a year ago and I'm wondering if it's going south for some reason. I can shift any time I choose so I know it's working but for some reason it's throwing this code...
Race Director
Joined: Jan 2002
Posts: 19,557
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From: I love you & miss you Linda
2017 C7 of the Year Finalist
St. Jude Contributor
Nothing to worry about.
Did you turn off your Check Engine Light? You can do that. If you need to know how, just say so, we'll let you know.
Did you turn off your Check Engine Light? You can do that. If you need to know how, just say so, we'll let you know.
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Race Director
Joined: Jan 2002
Posts: 19,557
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From: I love you & miss you Linda
2017 C7 of the Year Finalist
St. Jude Contributor
Here's the entire procedure to read and then clear codes (which will also turn OFF the CEL).
Turn the key to the ON position, but don't start the engine.
Clear any present messages by pressing the RESET button.
Hold the OPTIONS button down, and press the FUEL button 4 times. This will get you into the CODES section of the DIC.
The computer will automatically display all the codes your car has created.
It will cycle through each code every 3 seconds.
Any code that ends in H is a history code (something that has occured in the past) but is fine now.
Once the computer has finished going through all of it's codes, press RESET to enter Manual Configuration mode.
It should start with a module and show "NO CODES" or "# CODES".
To optionally reset the codes once in manual mode.
Press and hold RESET until it displays "NO CODES".
Press OPTIONS to go to the next module.
Repeat these steps until you have reset the codes in all the computer modules.
Only reset the codes IF you want to - it is NOT necessary to do this.
Turn the key to the ON position, but don't start the engine.
Clear any present messages by pressing the RESET button.
Hold the OPTIONS button down, and press the FUEL button 4 times. This will get you into the CODES section of the DIC.
The computer will automatically display all the codes your car has created.
It will cycle through each code every 3 seconds.
Any code that ends in H is a history code (something that has occured in the past) but is fine now.
Once the computer has finished going through all of it's codes, press RESET to enter Manual Configuration mode.
It should start with a module and show "NO CODES" or "# CODES".
To optionally reset the codes once in manual mode.
Press and hold RESET until it displays "NO CODES".
Press OPTIONS to go to the next module.
Repeat these steps until you have reset the codes in all the computer modules.
Only reset the codes IF you want to - it is NOT necessary to do this.
Race Director
Joined: Jan 2002
Posts: 19,557
Likes: 1,470
From: I love you & miss you Linda
2017 C7 of the Year Finalist
St. Jude Contributor
Thanks, 
<====
Hey Bobby, check out Linda's sweather in the avatar picture then check out my helmet in this picture ===> Helmet
<====
Hey Bobby, check out Linda's sweather in the avatar picture then check out my helmet in this picture ===> Helmet
Last edited by Glennm27; Nov 10, 2007 at 08:16 AM.
Thread Starter
Melting Slicks
Joined: Jul 2005
Posts: 2,572
Likes: 3
From: Rehoboth MA . . . NRA Life Member
St. Jude Donor '06-'07
Thanks,
<====
Hey Bobby, check out Linda's sweather in the avatar picture then check out my helmet in this picture ===> Helmet
<====
Hey Bobby, check out Linda's sweather in the avatar picture then check out my helmet in this picture ===> Helmet
Advanced
Joined: Nov 2007
Posts: 75
Likes: 0
From: London
Here's the entire procedure to read and then clear codes (which will also turn OFF the CEL).
Turn the key to the ON position, but don't start the engine.
Clear any present messages by pressing the RESET button.
Hold the OPTIONS button down, and press the FUEL button 4 times. This will get you into the CODES section of the DIC.
The computer will automatically display all the codes your car has created.
It will cycle through each code every 3 seconds.
Any code that ends in H is a history code (something that has occured in the past) but is fine now.
Once the computer has finished going through all of it's codes, press RESET to enter Manual Configuration mode.
It should start with a module and show "NO CODES" or "# CODES".
To optionally reset the codes once in manual mode.
Press and hold RESET until it displays "NO CODES".
Press OPTIONS to go to the next module.
Repeat these steps until you have reset the codes in all the computer modules.
Only reset the codes IF you want to - it is NOT necessary to do this.
Turn the key to the ON position, but don't start the engine.
Clear any present messages by pressing the RESET button.
Hold the OPTIONS button down, and press the FUEL button 4 times. This will get you into the CODES section of the DIC.
The computer will automatically display all the codes your car has created.
It will cycle through each code every 3 seconds.
Any code that ends in H is a history code (something that has occured in the past) but is fine now.
Once the computer has finished going through all of it's codes, press RESET to enter Manual Configuration mode.
It should start with a module and show "NO CODES" or "# CODES".
To optionally reset the codes once in manual mode.
Press and hold RESET until it displays "NO CODES".
Press OPTIONS to go to the next module.
Repeat these steps until you have reset the codes in all the computer modules.
Only reset the codes IF you want to - it is NOT necessary to do this.
Mark
Race Director
Joined: Jan 2002
Posts: 19,557
Likes: 1,470
From: I love you & miss you Linda
2017 C7 of the Year Finalist
St. Jude Contributor
Keep this for future use...
You'll also want to bookmark this ===> 5th Generation Corvette DTC Codes to go along with the above info.
Another List of codes
